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hematocrit

hematocrit is a measure of how much space (volume) the red blood cells take up in the blood. a hematocrit check is often used to test for anemia, which is a decrease in the amount of oxygen-carrying substance (hemoglobin) found in red blood cells.

the hematocrit value may be given as a percentage of red blood cells in a volume of blood. for example, a hematocrit of 33 means that 33% of the blood's volume is composed of red cells. it may also be measured in millilitres per decilitre (ml/dl) of blood.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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